/Engine/Plugins/Runtime/nDisplay/Source/DisplayClusterScenePreview/Public/DisplayClusterLightCardEditorHelper.h
Calculates the relative normal vector and world position in the specified direction from the given view origin.
true if the position was found, or false if the normal maps need to be updated first.
bool CalculateNormalAndPositionInDirection ( const FVector & InViewOrigin, const FVector & InDirection, FVector & OutWorldPosition, FVector & OutRelativeNormal, double InDesiredDistanceFromFlush )